Dosage Calculations FINAL Exam Version 2 KEY Question and Answers

1. Order: Compazine 10 mg, PO, qid. Using the following drug label, how many tablet(s) would you give per dose? Answer 2 2. A patient is to receive lidocaine hydrochloride (Xylocaine) 100 mg as an intravenous bolus. The Xylocaine is labeled 20 mg/mL. How many milliliters should be administered? Answer 5 3. Medication order: Nafcillin 0.5 G, IM, q6h. Drug available: 2 g Nafcillin Sodium for injection, USP. How many milliliters of Nafcillin would you give per dose? Answer 2 4. The medication order is to administer Ancef 5 mg/kg. The child weighs 90 pounds. The maximum dosage is 750 mg. How many milligrams are ordered for the child? Answer 204.55 5. Mix 10 units of oxytocin in 1000 mL NS. Start infusion at 25 mL/hr. Do Increase by 5 mL/hr every 10 minutes until uterine contractions are 2 to 3 minutes apart not to exceed 44 miliunits/min. Maintain total IV fluid volume at 100 mL/hr. How many miliunits per hour will be delivered? Answer 250 6. The medication order is to administer furosemide (Lasix) 2 mg/kg/day. The child weighs 33 pounds. Drug available: 8 mL vial labeled Lasix 10 mg/mL. How many mL will the nurse administer each day? Answer 3 7. Order: 20 mg of a medication by mouth tid Patient weight: 132 pounds (60kg) Safe dose range: 1 to 3 mg/kg/day This is a safe medication order. A) True B) False Answer A) True 8. Medication order: Capoten 100 mg Available: Capoten 0.1 g tablets How many tablets will you administer? Answer 1 9. Prefixes can be added to a basic unit of measurement to indicate a larger or smaller unit of measurement than the basic unit. What does the prefix kilo indicate? A) One hundred B) Ten C) One thousand D) One tenth Answer C) One thousand 10. 3 cups= mL Answer 720 11. Convert 7 oz to L. Answer 0.2 12. Medication on hand: Insulin 50 units in 100mL How many units per ML? Answer 0.5 13. Convert 36 to a Roman numeral. Answer XXXVI 14. Order: Theophylline 120 mg, PO, daily. Drug available: Theophylline elixir 80 mg/15 mL. How many milliliters of theophylline will you give? Answer 22.5 15. You have an IV infusing at 125 mL/hr. How long will it take 1500 mL to infuse? Answer 12 16. What does the abbreviation “G” stand for? A) Grams B) Granules C) Grains D) Graduates Answer A) Grams 17. Medication Order: Chlorpromazine (Thorazine) 25 mg, PO, qid. Using the following drug label, how many milliliters of Thorazine will the patient receive per dose? Answer 12.5 18. Medication order: Morphine 10 mg, IM, STAT. Using the following drug label, how many milliliters of morphine would you give? Answer 0.7 19. Order: Cefuroxime axetil (Ceftin) 350 mg, PO, bid. Using the following drug label, how many milligrams will the patient receive per day? Answer 700 20. Prepare 500 mL of 0.9% NACL solution. How many grams of NACL will you need? Answer 4.5 21. The medication order is to administer Ancef 5 mg/kg. The child weighs 75 pounds. The maximum dosage is 500 mg. How many milligrams are ordered for the child? Answer 170.45 22. Order: Betamethasone (Celestone) 2.4 mg, PO, daily. Drug available: Betamethasone 0.6 mg tablets How many tablet(s) would you give? Answer 4 23. The suggested does of tobramycin is 4 mg/kg/day to be administered every 12 hours. A baby weighing 5500 g should receive how many mg/dose? Answer 11 .................................................................................................CONTINUED